Astelin

ASTELIN- azelastine hydrochloride spray, metered
Meda Pharmaceuticals

1 INDICATIONS AND USAGE

Astelin Nasal Spray is indicated for the treatment of the symptoms of seasonal allergic rhinitis in adults and pediatric patients 5 years and older, and for the treatment of the symptoms of vasomotor rhinitis in adults and adolescent patients 12 years and older.

2 DOSAGE AND ADMINISTRATION

2.1 Seasonal Allergic Rhinitis

The recommended dosage of Astelin Nasal Spray in adults and adolescent patients 12 years and older with seasonal allergic rhinitis is one or two sprays per nostril twice daily. The recommended dosage of Astelin Nasal Spray in pediatric patients 5 years to 11 years of age is one spray per nostril twice daily.

2.2 Vasomotor Rhinitis

The recommended dosage of Astelin Nasal Spray in adults and adolescent patients 12 years and older with vasomotor rhinitis is two sprays per nostril twice daily.

2.3 Important Administration Instructions

Administer Astelin Nasal Spray by the intranasal route only.

Priming

Prime Astelin Nasal Spray before initial use by releasing 4 sprays or until a fine mist appears. When Astelin Nasal Spray has not been used for 3 or more days, reprime with 2 sprays or until a fine mist appears. Avoid spraying Astelin Nasal Spray into the eyes.

3 DOSAGE FORMS AND STRENGTHS

Astelin Nasal Spray is a nasal spray solution. Each spray of Astelin Nasal Spray delivers a volume of 0.137 mL solution containing 137 mcg of azelastine hydrochloride.

4 CONTRAINDICATIONS

None.

5 WARNINGS AND PRECAUTIONS

5.1 Somnolence in Activities Requiring Mental Alertness

In clinical trials, the occurrence of somnolence has been reported in some patients taking Astelin Nasal Spray [see Adverse Reactions (6.1) ]. Patients should be cautioned against engaging in hazardous occupations requiring complete mental alertness and motor coordination such as operating machinery or driving a motor vehicle after administration of Astelin Nasal Spray. Concurrent use of Astelin Nasal Spray with alcohol or other central nervous system depressants should be avoided because additional reductions in alertness and additional impairment of central nervous system performance may occur [see Drug Interactions (7.1) ].

6 ADVERSE REACTIONS

Use of Astelin Nasal Spray has been associated with somnolence [see Warnings and Precautions (5.1) ].

6.1 Clinical Trials Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect rates observed in practice.

Seasonal Allergic Rhinitis

Astelin Nasal Spray Two Sprays Per Nostril Twice Daily

Adverse experience information for Astelin Nasal Spray is derived from six placebo- and active-controlled, 2-day to 8-week clinical trials which included 391 patients, 12 years of age and older, with seasonal allergic rhinitis who received Astelin Nasal Spray at a dose of 2 sprays per nostril twice daily. In placebo-controlled efficacy trials, the incidence of discontinuation due to adverse reactions in patients receiving Astelin Nasal Spray and vehicle placebo was 2.2% and 2.8%, respectively.

Table 1 contains adverse reactions that were reported with frequencies ≥2% in the Astelin Nasal Spray 2 sprays per nostril twice daily treatment group and more frequently than placebo.

Table 1: Adverse Reactions Reported in ≥2% Incidence in Placebo-Controlled Trials in Patients with Seasonal Allergic Rhinitis [n (%)]

AstelinNasal SprayN = 391

VehiclePlaceboN = 353

Bitter Taste

77 (19.7%)

2 (0.6%)

Headache

58 (14.8%)

45 (12.7%)

Somnolence

45 (11.5%)

19 (5.4%)

Nasal Burning

16 (4.1%)

6 (1.7%)

Pharyngitis

15 (3.8%)

10 (2.8%)

Paroxysmal Sneezing

12 (3.1%)

4 (1.1%)

Dry Mouth

11 (2.8%)

6 (1.7%)

Nausea

11 (2.8%)

4 (1.1%)

Rhinitis

9 (2.3%)

5 (1.4%)

Fatigue

9 (2.3%)

5 (1.4%)

Dizziness

8 (2.0%)

5 (1.4%)

Epistaxis

8 (2.0%)

5 (1.4%)

Weight Increase

8 (2.0%)

0 (0.0%)

Astelin Nasal Spray One Spray Per Nostril Twice Daily

Adverse experience information for Astelin Nasal Spray at a dose of one spray per nostril twice daily is derived from two placebo-controlled 2-week clinical studies which included 276 patients 12 years of age and older with seasonal allergic rhinitis. The incidence of discontinuation due to adverse reactions in patients receiving Astelin Nasal Spray and vehicle placebo was 0.0% and 0.8%, respectively. Bitter taste was reported in 8.3% of patients compared to none in the placebo group. Somnolence was reported in 0.4% of patients compared to none in the placebo group.

A total of 176 patients 5 to 11 years of age were exposed to Astelin Nasal Spray at a dose of 1 spray each nostril twice daily in 3 placebo-controlled studies. In these studies, adverse reactions that occurred more frequently in patients treated with Astelin Nasal Spray than with placebo, and that were not represented in the adult adverse reactions table above include rhinitis/cold symptoms (17.0% vs. 9.5%), cough (11.4% vs. 8.3%), conjunctivitis (5.1% vs. 1.8%), and asthma (4.5% vs. 4.1%).

Adverse Reactions <2% in Astelin Nasal Spray One or Two Sprays Per Nostril Twice Daily

The following reactions were observed infrequently (<2% and exceeding placebo incidence) in patients who received Astelin Nasal Spray dosed at 1 or 2 sprays per nostril twice daily in U.S. clinical trials.

Cardiovascular: flushing, hypertension, tachycardia.

Dermatological: contact dermatitis, eczema, hair and follicle infection, furunculosis, skin laceration.

Digestive: constipation, gastroenteritis, glossitis, ulcerative stomatitis, vomiting, increased SGPT, aphthous stomatitis, diarrhea, toothache.

Metabolic and Nutritional: increased appetite.

Musculoskeletal: myalgia, temporomandibular dislocation, rheumatoid arthritis.

Neurological: hyperkinesia, hypoesthesia, vertigo.

Psychological: anxiety, depersonalization, depression, nervousness, sleep disorder, thinking abnormal.

Respiratory: bronchospasm, coughing, throat burning, laryngitis, bronchitis, dry throat, nocturnal dyspnea, nasopharyngitis, nasal congestion, pharyngolaryngeal pain, sinusitis, nasal dryness, paranasal sinus hypersecretion, post nasal drip.

Special Senses: conjunctivitis, eye abnormality, eye pain, watery eyes, taste loss.

Urogenital: albuminuria, amenorrhea, breast pain, hematuria, increased urinary frequency.

Whole Body: allergic reaction, back pain, herpes simplex, viral infection, malaise, pain in extremities, abdominal pain, pyrexia.

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